Popular in | June |
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Cheapest in | January |
Round-trip from | $643 |
One-way from | $453 |
Departing on a Tuesday is a good option for securing a great price. You can expect to save up to 13% when planning your travel around this day of the week.
To save up to 51% on this flight, we recommend booking at least 8 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to London Heathrow Airport from $666 1-2 weeks out and tickets from $1,099 for flights departing within the next 72 hours.
The best pricing can be found in the month of November. Prices to London Heathrow Airport from Seattle average $859. You can even find prices in November for less than $859, as users have found deals to London Heathrow Airport from as low as $560. The month of June appears to be one of the more expensive times to travel to London Heathrow Airport from Seattle. Flying in the targeted month can save you up to 40%.
When flying from Seattle to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 21% versus a flight in the morning.
Fly from
Fly to
Budget
$566 - $601
Route
Depart
Return
Price
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Mon 10/14
1 stop14h 10m
London Heathrow
Thu 10/24
1 stop12h 16m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Mon 9/30
1 stop33h 00m
London Heathrow
Tue 10/15
1 stop12h 50m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Mon 12/2
Nonstop9h 25m
London Heathrow
Tue 12/10
Nonstop9h 55m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 10/1
1 stop14h 50m
London Heathrow
Tue 10/8
2 stops17h 46m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Wed 10/2
2 stops18h 57m
London Heathrow
Fri 10/18
1 stop15h 59m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 11/19
Nonstop9h 35m
London Heathrow
Fri 11/29
1 stop14h 00m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 11/5
2 stops33h 23m
London Heathrow
Thu 11/14
1 stop33h 31m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Tue 11/19
Nonstop9h 20m
London Heathrow
Tue 12/3
Nonstop10h 00m
Seattle/Tacoma IntlLondon Heathrow
SEA - LHR
SEALHR
Seattle/Tacoma Intl
Mon 9/23
2 stops15h 50m
London Heathrow
Mon 10/7
2 stops30h 21m
LON Temperature | 39.2 - 62.6 °F |
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If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Lufthansa | Cheapest$402 | Average$692 | FlexibilityNo cancel fee | On-time76% |
Icelandair | Cheapest$519 | Average$699 | FlexibilityNo cancel fee | On-time76% |
Aer Lingus | Cheapest$557 | Average$842 | FlexibilityNo cancel fee | On-timeN/A |
Finnair | Cheapest$569 | Average$940 | FlexibilityNo cancel fee | On-time76% |
United Airlines | Cheapest$575 | Average$882 | FlexibilityNo cancel fee | On-time69% |
Iberia | Cheapest$582 | Average$831 | FlexibilityNo cancel fee | On-time77% |
Air France | Cheapest$588 | Average$878 | FlexibilityNo cancel fee | On-time77% |
American Airlines | Cheapest$598 | Average$954 | FlexibilityNo cancel fee | On-time71% |
Air Canada | Cheapest$604 | Average$902 | FlexibilityNo cancel fee | On-time67% |
British Airways | Cheapest$616 | Average$951 | FlexibilityNo cancel fee | On-time70% |
1%of flight departures | Early morningMidnight to 6 am |
---|---|
0%of flight departures | Morning6 am to noon |
46%of flight departures | AfternoonNoon to 6 pm |
53%of flight departures | Evening6 pm to midnight |
Sunday | 20daily flights |
---|---|
Monday | 20daily flights |
Tuesday | 15daily flights |
Wednesday | 20daily flights |
Thursday | 20daily flights |
Friday | 20daily flights |
Saturday | 20daily flights |